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A caneberry terminal wilted because a young larva of the raspberry horntail, Hartigia cressoni, sawfly is feeding inside the stem.

Drooping boysenberry, Rubus sp. (Rosaceae), cane terminal infested with raspberry horntail, Hartigia cressoni (Cephidae), stem sawfly, and unripe fruit. Davis CA by JKC Credit: Jack Kelly Clark — Credit: Jack Kelly Clark

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